.App {
  width: 100%;
  height: 100%;
  overflow: hidden;
}
#plane{
  position: absolute;
  top: 0;
  left: 0;
  background-color: rgba(0,0,0,0.5);
  color: #fff;
  padding: 0 18px;
  transform: translate(12px,-100%);
  display: none;
}